Explain briefly, with the help of a neat labelled diagram, how does white light get dispersed by a prism.
On which surface of a prism, there is both dispersion and deviation of light, and on which surface of the prism, there is only deviation of light?

Explanation

To explain how white light gets dispersed by a prism, let's break down the process step by step and provide a neat labeled diagram.

### Step-by-Step Solution

1. **Understanding White Light**:
White light is a mixture of various colors, which can be separated into its constituent colors (red, orange, yellow, green, blue, indigo, violet) through a process called dispersion.

2. **Diagram of a Prism**:
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